米6体育平台手机版

ZHCSIH6B July 2018 – October 2019 TPS563231

PRODUCTION DATA.

T_J = –40°C to 125°C, V_IN = 12 V (unless otherwise noted)

PARAMETER		TEST CONDITIONS	MIN	TYP	MAX	UNIT
POWER SUPPLY (VIN PIN)
I_VIN	Operating – non-switching supply current	V_EN = 5 V, V_FB = 0.7 V		220	300	µA
I_VINSDN	Shutdown supply current	V_EN = 0 V		2	12	µA
V_{IN_UVLO}	Undervoltage lockout thresholds	Rising threshold		4.0	4.3	V
		Falling threshold	3.3	3.6
		Hysteresis		0.4
ENABLE (EN PIN)
V_ENH	EN high-level input voltage		1.10	1.24	1.42	V
V_ENL	EN low-level input voltage		1.00	1.13	1.30	V
R_EN	EN pin resistance to GND	V_EN = 12 V		1000		kΩ
VOLTAGE REFERENCE (FB PIN)
V_REF	Reference voltage	V_IN = 4.5 V to 17 V, T_J = 25 °C	588	600	612	mV
V_REF	Reference voltage	V_IN = 4.5 V to 17 V, T_J = –40°C to 125°C		600		mV
I_FB	V_FB input current	V_FB = 0.6 V		0	±100	nA
MOSFET
R_{DSON_H}	High-side switch resistance	T_J = 25°C, V_BST – V_SW = 5V		95		mΩ
R_{DSON_L}	Low-side switch resistance	T_J = 25°C		55		mΩ
CURRENT LIMIT
I_{OC_LS}	Low side FET source current limit		3	3.9	4.8	A
I_ZC	Zero cross current detection			0		A
THERMAL SHUTDOWN
T_SDN	Thermal shutdown threshold⁽¹⁾	Shutdown temperature		160		°C
T_SDN	Thermal shutdown threshold⁽¹⁾	Hysteresis		25		°C
ON-TIME TIMER CONTROL
t_ON(MIN)	Minimum on time⁽¹⁾			80		ns
t_OFF(MIN)	Minimum off time⁽¹⁾	V_FB = 0.5 V		250		ns
SOFT START
Tss	Soft-start time	Internal soft-start time		1.5		ms
FREQUENCY
F_sw	Switching frequency	V_IN = 12 V, V_OUT = 3.3 V, CCM mode		600		kHz
OUTPUT UNDERVOLTAGE AND OVERVOLTAGE PROTECTION
V_UVP	Output UVP falling threshold	Hiccup detect		65		%
T_{HICCUP_WAIT}	UVP propagation delay			0.8		ms
T_{HICCUP_RE}	Hiccup time before restart			24		ms

(1) Not production tested.